forked from OSchip/llvm-project
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
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; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; CHECK: Valid Region for Scop: bb14 => bb17
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; Make sure we do not detect the larger region bb14->bb19 that contains
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; a multi-dimensional memory access with a size of 'undef * undef'.
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define void @hoge(i8* %arg) {
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bb:
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br label %bb6
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bb6: ; preds = %bb
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%tmp = mul i64 undef, undef
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%tmp7 = add i64 %tmp, undef
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%tmp8 = add i64 %tmp7, 0
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%tmp9 = add i64 %tmp8, 8
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%tmp10 = sub i64 %tmp9, undef
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%tmp11 = getelementptr i8, i8* %arg, i64 %tmp10
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%tmp12 = getelementptr inbounds i8, i8* %tmp11, i64 4
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%tmp13 = getelementptr inbounds i8, i8* %tmp12, i64 20
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br label %bb14
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bb14: ; preds = %bb14, %bb6
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%tmp15 = phi i32 [ %tmp16, %bb14 ], [ 2, %bb6 ]
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%tmp16 = add nuw nsw i32 %tmp15, 1
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br i1 false, label %bb14, label %bb17
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bb17: ; preds = %bb14
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%tmp18 = bitcast i8* %tmp13 to i32*
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store i32 undef, i32* %tmp18, align 4
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br label %bb19
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bb19: ; preds = %bb17
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unreachable
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}
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